ai giúp tui bài này ik đây là dạng chuyển từ HTHT dang HTHT dựa vào nghĩa của câu 1.This is the first time we have played tennis. We have 2. This is the first time she met the movie star. She has 3. This is the first time time they have been to Nha Trang. They have 4. This is the first time my sister has been to Ha Noi. My sister 5.This is the first time I have seen this movie. I have 6. I have never seen an UFO. This is 7. They have never talked to a famous actor. This is 8.We haven’t driven a car before. This is 9. The students have never stayed home for a long time before. This is 10. We have never been in trouble for a long time before. This is 11. We started studying English 10 years ago We have 12. She began to help the poor when she was young. She 13. The government began to limit the people in publish when the covid 19 broke out. The government has 14. She has learned how to cook since she was at school. She started 15. We began to stay home 4 months ago. We have 16. I last met my friends 6 months ago. I haven’t 17. She hasn’t had her hair cut for a year. She last 18. I have never ridden a bycicle before. This is 19. They started playing soccer when they were at school. They have 20.This is the first time they have had trouble in their life. They have